If attention is all you want, then I suggest Lapidus Pour Homme. It is the strongest projecting cologne I have ever worn. I've worn A*Men (and all it's flankes), Aventus, 1 Million, Le Male, Tobacco Vanille, Quorum, M7, and Original Santal...all of which are considered very strong. Compared to Lapidus, they all might as well have been the residual water in a recently emptied flower vase in terms of projection and scent strength. It is nuclear in the literal sense. You will be missing patches of skin after a night of wearing Lapidus and your hair may fall out. I may have peed blood once. Even 5 hours after application it is stronger than most colognes during their initial spray. It also smells pretty good if not a bit dated. It's very natural smelling and has a fruity pineapple and honey scent. Oh, and it's stupid cheap. Like 2+2=5 cheap.
Now if you want attention AND want something that girls will love I recommend none other than Acqua Di Gio. Yeah yeah yeah, it's an aquatic and it's played out and blah blah blah. Regardless, it can literally get girls pregnant from the smell alone. It's a guaranteed compliment getter. It also projects very strongly for the first few hours. People will smell you from a few feet away easily. The sillage trail is about as big as John Holmes on a hot day. Longevity is 6-8 hours depending on how sweaty you get.